On 11/20/2014 11:02 AM, Julien Grall wrote: > Hi Stefano, > > On 11/20/2014 10:53 AM, Stefano Stabellini wrote: >> UIE being set can cause maintenance interrupts to occur when Xen writes >> to one or more LR registers. The effect is a busy loop around the >> interrupt handler in Xen >> (http://marc.info/?l=xen-devel&m=141597517132682): everything gets stuck. >> >> Signed-off-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com> >> Reported-and-Tested-by: Andrii Tseglytskyi >> <andrii.tseglyts...@globallogic.com> >> CC: konrad.w...@oracle.com >> --- >> >> Konrad, this fixes an actual bug, at least on OMAP5. It should have no >> bad side effects on any other platforms as far as I can tell. It should >> go in 4.5. > > From Andrii's mail, there is a bad side effect. We can receive spurious > interrupt. > > On V1, you said that you tried this patch on midway. I would prefer if > you give a try on platform that would really be used (such as xgene or > seattle). As we know Midway won't be used in prod.
And maybe give a try to gicv3 too as it's common code. Regards, -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
